Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
216 AM MST Tue Dec 2 2025

MTZ312-022300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
216 AM MST Tue Dec 2 2025

Date                Tue 12/02/25            Wed 12/03/25            Thu 12/04/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      34          16          33          23          38
Temp             32 32 33 32 31 29 26 24 21 20 29 33 30 26 25 27 27 29 35 38 35
Dewpt            29 29 30 31 28 26 22 21 17 17 24 25 23 19 17 18 20 22 28 30 29
RH               88 88 89 96 88 88 85 88 84 88 81 72 75 74 71 68 74 75 75 73 78
Wind dir         SW SW  W  W NW NW NW  W  S  S SW SW SW SW SW SW SW SW SW SW SW
Wind spd         19 14 10 10  9  8  6  4  4  5  8 11 13 17 18 18 17 17 17 17 13
Wind gust        29                                                       27
Clouds           OV OV OV OV OV OV OV OV B2 B2 SC FW SC SC B1 B1 B1 SC B1 B2 B1
PoP 12hr                     90          60           5           0          20
QPF 12hr                   0.20        0.03           0           0           0
Snow 12hr                     2           T       00-00
Snow              L  D  D  L  L  C  C                                   S  S  C
Obvis            PF PF PF PF PF PF
Winter Weath      Y  Y  Y  Y  Y  Y  Y  Y


Date               Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            21    38      23    36      24    42      30    44
Temp          31   23 33 36 33   28 35 34 32   30 39 39 36   32 40 41
Dewpt         23   17 28 30 27   22 30 27 25   22 30 29 26   23 28 29
PWind dir          SW    SW      SW    SW      SW    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    B2   B1 B1 B2 B2   B2 B2 B1 B1   SC SC B1 B1   SC SC SC
PoP 12hr           30    50      60    50      30    10      10     5
Rain                      C  L    C
Snow           C    C  C  C  L    C  C  C  C

$$
MTZ303-022300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
216 AM MST Tue Dec 2 2025

Date                Tue 12/02/25            Wed 12/03/25            Thu 12/04/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      33           9          29          20          35
Temp             28 27 30 31 28 23 20 16 14 12 22 29 25 23 22 24 25 26 32 35 32
Dewpt            25 24 27 29 26 21 18 14 12 10 19 23 20 17 15 17 20 21 26 28 26
RH               88 88 88 92 92 92 92 92 92 91 88 78 81 77 74 74 81 81 78 75 78
Wind dir          W  W  W NW NW NW NW  W SW SW SW SW SW  W  W  W  W  W  W  W  W
Wind spd         23 20 17 16 13 10  5  3  4  5  9 13 16 20 21 21 20 20 21 23 19
Wind gust        36 32 28 28 25                   25 26 32 35 35 33 33 34 37 33
Clouds           OV B2 OV B2 B2 OV B2 B2 B2 B1 SC SC B1 SC SC SC B1 B2 B1 B1 B1
PoP 12hr                     70          20           0           0          10
QPF 12hr                   0.03        0.01           0           0           0
Snow 12hr                     T       00-00       00-00
Snow              L  C  L  S  S  S
Obvis                  PF


Date               Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            17    33      15    32      18    39      28    42
Temp          26   20 27 30 26   22 27 29 30   26 35 36 35   31 37 37
Dewpt         20   15 23 26 22   19 25 25 23   20 29 29 27   23 29 29
PWind dir           W     W       W     W       W    SW       W     W
Wind char          BZ    GN      GN    GN      GN    GN      BZ    BZ
Avg clouds    B1   B1 B2 B2 B2   B2 B2 B1 B1   SC B1 B1 B1   SC SC B1
PoP 12hr           10    40      40    30      20     5      10     5
Snow                   S  C  C    C  C  C  S

$$
MTZ319-022300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
216 AM MST Tue Dec 2 2025

Date                Tue 12/02/25            Wed 12/03/25            Thu 12/04/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      33          17          33          20          38
Temp             28 27 31 32 31 30 28 26 21 18 27 32 28 25 22 26 25 24 32 37 35
Dewpt            24 23 28 27 26 25 24 21 18 16 23 24 21 17 15 18 19 19 25 27 25
RH               85 85 88 81 81 81 85 81 88 92 85 72 75 71 74 71 78 81 75 67 66
Wind dir         SW  W  W NW  W  W  W  W  S  S  S  S  S SW SW SW SW SW SW  W  W
Wind spd          8  8  6  6  6  4  2  2  2  2  2  4  8  9 10  8  5  5  6 10 10
Clouds           B2 OV OV OV OV OV B2 B2 B1 B2 SC FW SC B1 B1 B2 B1 B1 B2 B2 OV
PoP 12hr                     90          60           5           5          30
QPF 12hr                   0.05        0.05           0           0           0
Snow 12hr                     T           1       00-00
Snow              S  C  D  L  L  C  S                                   C  C  C
Obvis                  PF
Winter Weath      Y  Y  Y  Y  Y  Y  Y  Y


Date               Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            25    40      30    42      26    42      28    44
Temp          32   26 35 38 38   34 37 39 35   29 35 41 37   30 37 40
Dewpt         24   21 29 30 30   28 31 28 26   25 29 30 27   25 29 27
PWind dir           W    SW      SW     W      SW    SW      SW    SW
Wind char          GN    LT      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   B2 B2 B1 B1   B1 B2 B1 B2   B1 B1 B1
PoP 12hr           40    60      70    60      30    20      20    10
Rain                      L  L    C  L  C  C          S  S
Snow           C    C  C  L  S    C  L     C          S  S

$$
MTZ326-022300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
216 AM MST Tue Dec 2 2025

Date                Tue 12/02/25            Wed 12/03/25            Thu 12/04/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      34          15          32          14          36
Temp             27 27 31 32 29 27 24 23 20 16 25 31 25 19 15 19 20 20 30 35 33
Dewpt            25 26 28 29 26 26 24 23 19 16 23 24 19 14 11 15 16 17 23 26 25
RH               92 96 88 88 88 96100100 96100 92 75 78 80 84 84 84 88 75 69 72
Wind dir          E  S  N NW NW  W  W  W  S  S SW  W SE  S  S  S  S  S SW SW SW
Wind spd          9  8  5  6  5  2  2  2  1  2  1  2  4  6  6  6  5  5  5  6  9
Clouds           OV B2 OV OV OV OV OV B2 B2 B2 B1 FW SC B1 B1 B2 B2 B1 B1 B2 OV
PoP 12hr                     80          50           0           0          30
QPF 12hr                   0.06        0.03           0           0           0
Snow 12hr                     1           T       00-00
Snow              C  S  L  L  C  C                                S  S  C  C  C
Obvis                  PF PF


Date               Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            21    38      26    42      22    42      23    43
Temp          28   23 33 37 35   33 37 37 30   27 35 37 31   27 36 37
Dewpt         25   21 28 28 29   29 32 28 24   22 28 27 26   22 28 24
PWind dir          SW    SW      SW     W      SW     S      SW    SW
Wind char          LT    LT      GN    GN      GN    LT      GN    GN
Avg clouds    OV   OV OV B2 B2   B2 B2 B2 B2   B2 B1 B2 B2   B2 SC SC
PoP 12hr           50    50      70    60      30    10      10    10
Rain                         L    C  L  C  C
Snow           C    C  C  C  L    C  L  C  C    S

$$
MTZ330-022300-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
216 AM MST Tue Dec 2 2025

Date                Tue 12/02/25            Wed 12/03/25            Thu 12/04/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      28           5          29          10          26
Temp             16 17 24 27 24 20 17 12  7  5 20 28 23 14 11 13 14 15 22 26 24
Dewpt            13 14 20 22 19 19 15 11  6  4 14 16 15 10  8 11 12 12 18 18 17
RH               88 88 84 81 81 96 92 96 96 95 77 60 71 84 87 91 92 88 84 71 74
Wind dir         SW SW SW SW  S NE  E NE NE NE  N SW  S SW SW SW SW SW SW SW SW
Wind spd         10  9  9  9  4  2  2  2  1  1  1  3  4  5  5  5  4  4  8 11 10
Wind gust              19
Clouds           OV OV B2 B2 B2 B2 B1 SC SC SC FW FW FW SC B2 B2 OV OV B2 B2 B2
PoP 12hr                     80          40           5          10          70
QPF 12hr                   0.05        0.01           0           0        0.02
Snow 12hr                     1           T       00-00
Snow              L  L  L  L  C                                   C  C  L  L  D
Obvis               PF
Winter Weath      Y  Y  Y  Y  Y  Y  Y  Y


Date               Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            16    30      19    35      17    34      17    35
Temp          20   16 26 28 26   23 31 32 23   19 29 31 25   18 28 30
Dewpt         16   14 22 23 23   21 25 23 20   19 25 24 22   17 23 23
PWind dir          SW    SW      SW    SW      SW    SW      SW    SW
Wind char          LT    LT      GN    GN      LT    LT      GN    LT
Avg clouds    OV   B2 OV B2 B2   B2 OV B2 B1   B2 OV B2 B2   B2 B2 B1
PoP 12hr           80    70      80    80      50    40      30    30
Snow           D    L  L  L  D    L  D  D  C    C  C  C  C    C  C

$$
MTZ328-022300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
216 AM MST Tue Dec 2 2025

Date                Tue 12/02/25            Wed 12/03/25            Thu 12/04/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      37          15          34          17          37
Temp             27 26 34 35 30 26 23 21 17 16 28 33 28 20 18 21 22 20 31 36 33
Dewpt            20 21 26 25 27 25 21 19 15 14 21 21 20 15 12 13 15 16 22 23 25
RH               74 81 72 66 88 96 92 92 92 92 75 61 71 81 77 71 74 84 69 59 72
Wind dir         SW SW SW  W  N NE SE  S  S  S SW SW  S  S  S  S  S  S SW SW SW
Wind spd         14 13 10  9  8  6  6  5  5  5  3  4  5  6 10  9 10 10  9 10 10
Clouds           B1 B1 B2 B2 OV OV B2 B1 B1 SC FW FW SC SC B1 B1 B1 B1 B1 B2 B2
PoP 12hr                     50          40           0           0           5
QPF 12hr                   0.01        0.02           0           0           0
Snow 12hr                 00-00           T       00-00
Snow                       C  C  S                                            S


Date               Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            23    39      26    42      23    40      23    42
Temp          28   24 34 35 32   30 38 36 29   26 37 37 30   26 36 37
Dewpt         22   19 28 28 27   25 29 27 22   22 28 28 23   19 25 25
PWind dir          SW    SW      SW    SW      SW     S      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B1 B2 B2 B2   B2 B1 B1 B1   B1 B1 B1 B1   B1 SC SC
PoP 12hr           20    40      50    40      20     5      10     5
Rain                         C    C     C
Snow           S       S  C  C    C  C  C  S

$$
MTZ305-022300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
216 AM MST Tue Dec 2 2025

Date                Tue 12/02/25            Wed 12/03/25            Thu 12/04/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      35           6          24          11          35
Temp             29 29 33 33 29 21 15 11 10  7 17 23 18 16 14 19 22 22 29 34 32
Dewpt            25 27 29 29 26 20 14 10  8  6 15 18 15 13 11 15 17 19 24 28 28
RH               85 92 85 85 88 96 96 96 91 96 92 81 88 88 88 84 81 88 81 78 85
Wind dir         SW SW  W NW NW NW NW  W SW  S  S  S  S SW SW SW SW SW SW SW SW
Wind spd         16 13 14 17 16 10  5  3  2  2  3  5  8 11 13 13 13 13 14 14 13
Wind gust                 28 26
Clouds           B2 OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 B2 B2 B2
PoP 12hr                     60          20          10           0          20
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain                                                                          C
Snow              L  S  S  C  S  S                                      S  S  C


Date               Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            17    32      11    25       8    35      21    39
Temp          27   20 27 27 21   17 22 20 15   15 28 32 29   26 34 36
Dewpt         24   17 25 24 20   16 20 18 14   13 24 26 26   22 28 29
PWind dir           W    SW      NE    NE       S    SW      SW    SW
Wind char          GN    GN      GN    GN      LT    GN      GN    BZ
Avg clouds    B2   B1 B2 B2 OV   B2 OV B2 B2   B1 B1 B1 B1   SC SC SC
PoP 12hr           30    50      60    50      30    10      10     5
Rain           C
Snow           C    S  S  C  L    C  C  C  C

$$
MTZ314-022300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
216 AM MST Tue Dec 2 2025

Date                Tue 12/02/25            Wed 12/03/25            Thu 12/04/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      33          12          31          18          38
Temp             29 29 31 32 30 26 23 20 15 16 27 31 25 21 20 24 26 26 35 38 36
Dewpt            27 27 30 30 28 25 22 18 14 15 22 23 19 15 13 16 19 20 27 30 29
RH               92 92 96 92 92 96 96 92 96 96 81 72 78 77 74 71 74 78 72 73 75
Wind dir          W  W  W NW NW NW NW NW  W SW SW SW  S SW SW  W  W  W  W  W  W
Wind spd         12 12 12 14 16 13 10  6  4  4  3  5  6 10 10 11 10 10 10 11 11
Wind gust        23 23 23 26 27 24
Clouds           OV OV OV OV OV OV OV OV OV OV B1 SC SC B1 B1 B1 B1 B1 B1 B2 B2
PoP 12hr                    100          70          10           0          10
QPF 12hr                   0.24        0.08        0.02           0           0
Snow 12hr                     3           1           T
Snow              D  D  D  C  L  C  C  C                                      C
Obvis               PF PF PF PF PF PF PF
Winter Weath      Y  Y  Y  Y  Y  Y  Y  Y


Date               Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            21    37      21    35      21    40      26    42
Temp          31   24 33 33 32   27 32 32 28   26 36 37 33   29 38 39
Dewpt         27   20 28 28 29   25 29 27 23   21 30 30 25   23 28 27
PWind dir           W    SW       W     W      SW    SW      SW     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   OV B2 B2 B1   B1 SC B1 B1   SC SC SC
PoP 12hr           40    50      70    60      40    10      10     5
Snow           C    S  C  C  L    C  L  C  C    S

$$
http://www.weather.gov/greatfalls